First United Methodist Church began on September 26, 1887, as the result of a brush arbor revival held by the Reverend James Tucker, pastor of the West Pearl Charge, Seashore District of the Mississippi Conference, Methodist Episcopal Church, South. Twelve members, a significant number in New Testament history, formed the "Slidell Methodist Church." Eleven were received by profession of faith: Mr. J. F. Luther, Mr. W. A. Luther, Mrs. T. Luther, Mrs. Iola Luther, Miss C. J. Luther, Miss Janie Dunham, Miss Iola Gray, Mrs. C. S. Ward, Mrs. A. Joiner, Mrs. Allen, and Mrs. J. A. Cherry. The twelfth member, Mrs. T. C. Provost, was received by transfer of membership.